The websites About.com and Geology.com provide rock identification charts. The rock chart at About.com includes a brief description of the rock's color, grain size and composition. Geology.com features a picture of each of the rocks included in the chart; more detailed information on each rock is av
A spider identification chart contains photos of the species, with information about their geographic location. Other topics include aggressiveness and their habitat. Pertinent information regarding first-aid is listed.
There are several online resources that provide guides for bird identification both across the United States, such as Cornell Lab of Ornithology's All About Birds, as well as for specific regions, such as FloridaNature.com. The Cornell Lab of Ornithology also provides an introduction on how to ident
A chart showing illustrations of select North American birds is available on the National Audubon Society's Guide to North American Birds webpage. Charts comparing physical features between birds to aid in identification are available from the website of the Cornell Lab of Ornithology.
A seed identification chart allows you to determine the species and type of seed by visual cues such as color, size and shape of the seed. Typically a seed identification chart is organized alphabetically or by seed size and provides some scale to give relative size indicators for the seed. Once you
To identify almost any bug found in North America, search the online charts, descriptions, photos and other resources at Insect Identification. The site's database allows users to search for a specific bug by entering information about its primary and secondary colors, number of legs and locality in
A leaf identification chart aids in the identification of trees by visual examination of the characteristics of their leaves. The typical leaf identification chart is divided into sections for various types of leaves, including simple and compound leaves, needles and scale-like leaves.
Peanut Allergy Mom and Mother Earth News offer nut identification charts. The chart from Peanut Allergy Mom shows parents what common types of nuts look like, while the slideshow from Mother Earth News gives foragers a guide for finding nuts in the fall.
Lizards are distributed throughout the world, and as the San Diego Zoo notes, most of them live on the ground. Other common lizard dwelling places are underground burrows (especially in deserts), under rocks, marshy bogs and in trees.
Some techniques for identifying Florida spiders is to notice the shape of the body, the size of the spider and the coloration and markings. An observer should also note how its eyes are arranged on the cephalothorax and whether or not it spins a web.